Theo has one piece of train track that is 74 millimeters long and a second piece of train track that is 97 millimeters long. How many meters of track does Theo have in all?

0.171 m

1.71 m

17.1 m

171 m

hows it hangin lol

step-by-step explanation:

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6